diff --git a/python/aswfdocker/constants.py b/python/aswfdocker/constants.py
index 4ff4eaf8..f397bf43 100644
--- a/python/aswfdocker/constants.py
+++ b/python/aswfdocker/constants.py
@@ -28,7 +28,7 @@ class ImageType(enum.Enum):
 )
 
 # pylint: disable=line-too-long
-IMAGE_NAME_REGEX = r"(refs/tags/)?(?P<org>[a-z]+)/ci-(?P<package>package\-)?(?P<image>[a-z0-9]+)[:/](?P<version>[0-9\.a-z\-]+)"
+IMAGE_NAME_REGEX = r"(refs/tags/)?(?P<org>[a-z]+)/ci-(?P<package>package\-)?(?P<image>[a-z0-9_]+)[:/](?P<version>[0-9\.a-z\-]+)"
 
 ALL = "all"